Why it matters: Car in water — the complete escape sequence

Reversing the order doesn't necessarily cost time — but it does cost visibility and orientation in murky, dark water. And trying to smash the windscreen wastes precious seconds on the car's strongest window instead of its weakest. Rescuers from outside already have a hard enough time due to laminated glass and electric locks (Book p.180) — your own order shouldn't make that harder still.